Spina bifida and maternal Rh phenotype.
D001803:Blood Transfusion; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012204:Rh-Hr Blood-Group System / Q000235:genetics*; D016136:Spina Bifida Occulta / Q000097:blood / Q000235:genetics*; D011795:Surveys and Questionnaires
D012204:Rh-Hr Blood-Group System